import router from './router'
import store from './store'
import {
  Message
} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {
  getToken
} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import {
  asyncRoutes
} from './router'

NProgress.configure({
  showSpinner: false
}) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect', '/404', '/401'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({
        path: '/'
      })
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      // const hasRoles = store.getters.roles && store.getters.roles.length > 0
      const hasRoles = store.state.permission.isHasRoles
      if (hasRoles) {
        next()
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          // const { roles } = await store.dispatch('user/getInfo')
          // generate accessible routes map based on roles
          // const accessRoutes = await store.dispatch('permission/generateRoutes', roles)
          // dynamically add accessible routes
          let menuAdmins = localStorage.getItem('menuAdmins') ? JSON.parse(localStorage.getItem('menuAdmins')) : [];
          console.log(menuAdmins)
          let roleRouters = asyncRoutes;
          roleRouters.forEach(item => {
            if (item.children && item.children.length && item.path != '/') {
              item.children[0]['hidden'] = true
              menuAdmins.some(i => {
                if (i.menuCode == item.children[0].name) {
                  item.children[0]['hidden'] = false;
                  return true
                }
              })
            }
          })
          console.log(roleRouters)
          store.commit('permission/isHasRolesState', true)
          // localStorage.setItem('asyncRoutes',JSON.stringify(asyncRoutes))
          router.addRoutes(roleRouters)
          // router.$addRoutes(asyncRoutes)
          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          next({
            ...to,
            replace: true
          })
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
